* {
    margin: 0;
    padding: 0;
}

html, body {
    width: 100%;
    height: 100%;
}

div#rMenu {
    position: absolute;
    visibility: hidden;
    top: 0;
    background-color: #555;
    text-align: left;
    width: 100px;
    z-index: 100;
    border: 1px solid grey;
    border-radius: 5px;
}

.menu_item {
    margin: 1px 0;
    padding: 5px;
    cursor: pointer;
    list-style: none outside none;
    background-color: #DFDFDF;
}

.menu_item:hover {
    background-color: #AFAFAF;
    font-weight: bold;
    color: #e5e5e5;
    font-style: italic;
}

.container {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.header {
    color: red;
    font-weight: bold;
    font-size: 16px;
    background: yellow;
    height: 50px;
}

#content {
    flex: 1;
    display: flex;
    flex-direction: row;
    background: #7EC4CC;
}

#c_left {
    width: 300px;
    overflow: auto;
    border: solid 1px grey;
}

#c_main {
    flex: 1;
    border-right: solid 1px grey;
    border-bottom: solid 1px grey;
    background: #e5e5e5;
}

.mytable {
    border-collapse: collapse;
    width: 100%;
}

.mytable td {
    border: 1px solid grey;
}

.my_dialog_mask {
    z-index: 1024;
    background: rgba(0, 0, 0, 0.6);
    position: absolute;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: row;
    align-items: center;
    align-content: center;
    justify-content: center;
}

.my_dialog {
    width: 300px;
    height: 150px;
    background: cornflowerblue;
    opacity: 3;
    border-radius: 5px;
    border: 1px solid grey;
    display: flex;
    flex-direction: column;
}

.my_dialog_title, .my_dialog_footer {
    width: 300px;
    height: 30px;
}

.my_dialog_title {
    border-bottom: 1px solid grey;
}

.my_dialog_footer {
    border-top: 1px solid grey;
    text-align: center;
}

.my_dialog_body {
    flex: 1;
    background: #e5e5e5;
}

@keyframes box {
    0% {
        transform: rotate(0);
    }
    50% {
        transform: rotate(1turn);
    }
    100% {
        transform: rotate(2turn);
    }
}

.my_title {
    font-size: 16px;
    font-weight: bold;
    animation-name: box;
    animation-duration: 5s;
    animation-iteration-count: infinite;
}
